6 Trigometric Identities And Equations Flashcards
(10 cards)
1
Q
What does tan x also equal
A
Sin x over cos x
2
Q
What does cos 90- x equal?
A
Sin x
3
Q
What does sin 390-360 equal
A
Sin 390
4
Q
What does tan 225-180 equal?
A
Tan 45
5
Q
What does cos 360-x equal?
A
Cos x
6
Q
What does sin 180-x equal?
A
Sin x
7
Q
What does cast stand for and where does c start and which way round is it?
A
C starts at the bottom right and goes anti-clockwise
8
Q
What does Cos2x + sin2x equal
A
1
9
Q
What is the diagram used for specific trig identities?
A
0 to 90 on the top
Sin over cos and tan in the middle
Over 2
10
Q
What does 1-cos2 also equal
A
Sin2
